Table 1 Hot-pressing conditions and resulting densification including average specific gravity for control and hot-pressed hybrid poplar samples
|  | Wood moisture content (%) | Pressing temperature (°C) | Oven-dry specific gravity (SG0,OD) | % densification = (SGafter − SGbefore) / SGbefore * 100 |
|---|---|---|---|---|
Control | – | – | 0.35 ± 0.03 C | – |
9 %, 150 °C | 9 | 150 | 0.90 ± 0.06 A | 154 |
9 %, 200 °C | 9 | 200 | 0.90 ± 0.06 A | 153 |
9 %, 250 °C | 9 | 250 | 0.80 ± 0.10 A,B | 132 |
0 %, 150 °C | 0 | 150 | 0.64 ± 0.16 B | 81 |
0 %, 200 °C | 0 | 200 | 0.85 ± 0.12 A | 141 |
0 %, 250 °C | 0 | 250 | 0.80 ± 0.05 A,B | 124 |